Electric heating air pipe of rail flaw detection equipment

The utility model discloses an electric heating air pipe of rail flaw detection equipment. The electric heating air pipe comprises an air pipe, an electric heating body and an insulation fixing device, the electric heating body is provided with a power supply connecting wire connected with the electric heating body; wherein the electric heating body is arranged in the air pipe and forms a gap withthe wall of the air pipe, the insulation fixing device is fixed on the air pipe, the electric heating body is fixedly connected with the insulation fixing device, and the power wire is led out of theair pipe through the insulation fixing device. The electric heating body is fixed in the air pipe through the insulation fixing device, and meanwhile current flowing through the power supply connecting wire and the electric heating body is insulated from the air pipe. The electric heating air pipe has the advantages that the heat source utilization efficiency and the use safety of the electric heating air pipe are remarka